Positionable Hidden Hydraulic Hinge For Buffered Door Closure
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Solution Overview
Problem
Existing door closers and hinges are aesthetically unpleasing, pose safety risks, and lack convenient positioning and hydraulic buffer functions, especially when installed in a hidden manner.
Innovation Solution
A positionable hidden hydraulic hinge with a non-movable and rotatable device body, concealed within the door frame and leaf, featuring a linkage assembly, positioning mechanism, and hydraulic pressure-resisting mechanism, allowing for concealed installation and automatic door closure with hydraulic buffer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an exposed door closer is installed at the back of the room door, then the door closing function is achieved, but the aesthetic effect is ruined and safety risks increase
Solution Approach 1:
The hydraulic mechanism is extracted from the traditional exposed door closer configuration and integrated into the hinge structure itself. The hinge shaft is designed to accommodate the hydraulic chamber and piston mechanism internally, removing the need for external door closer components while maintaining the automatic door closing function.
Solution Approach 2:
The hydraulic chamber and piston mechanism are nested within the hinge shaft structure. The piston rod connects the linkage assembly to the hinge shaft, with the hydraulic components housed inside the hinge body, creating a compact integrated design that eliminates external components.
2Reliability
If an exposed door closer is installed, then the door closing function is achieved, but safety risks for children increase
Solution Approach 1:
The exposed door closer components that pose safety risks are removed entirely. The door closing function is achieved through the hidden hinge mechanism embedded in the door edge, eliminating protruding parts that children could interact with dangerously.
Solution Approach 2:
All hydraulic and mechanical components are nested within the hinge shaft and linkage assembly, which are concealed within the door edge profile. This encapsulation removes exposed moving parts while maintaining the automatic closing function.
3Shape
If traditional mechanical hinges are used in a hidden manner, then aesthetics are improved, but the positioning function and gradual door closing effect are lost
Solution Approach 1:
A hydraulic mechanism is integrated into the hidden hinge to provide controlled resistance during door movement. The hydraulic piston and chamber create gradual door closing action and enable positioning at desired angles by controlling the flow of hydraulic fluid, combining aesthetic concealment with functional performance.
Solution Approach 2:
The hinge incorporates a positioning mechanism that allows dynamic adjustment of door position. The hydraulic system provides variable resistance that enables the door to be held at different angles, and the linkage assembly includes positioning members that can engage at specific positions for convenient door placement.
4Reliability
If exposed hydraulic hinges with thick shafts are used, then the hydraulic buffer function is achieved, but the structure becomes complex and aesthetics are affected
Solution Approach 1:
The hydraulic mechanism is merged with the hinge shaft structure. The hydraulic chamber, piston, and linkage components are integrated into a single compact assembly that fits within the door edge profile, eliminating the need for separate external hydraulic components and reducing overall structural complexity.
Solution Approach 2:
The hydraulic components are nested within the hinge shaft, with the piston rod connecting internal hydraulic elements to the linkage assembly. This compact nested design provides the hydraulic buffer function while maintaining a sleek, thin profile suitable for hidden installation.
5Reliability
If exposed hydraulic hinges are used, then the hydraulic buffer function is achieved, but fire retardance is reduced
Solution Approach 1:
The hydraulic mechanism is extracted from exposed positions and fully integrated into the hidden hinge structure embedded in the door edge. This placement within the door profile provides natural fire protection while maintaining hydraulic buffer functionality.
Solution Approach 2:
The hydraulic chamber and components are nested within the hinge assembly that is concealed within the door edge profile. This encapsulation provides fire retardance by hiding the hydraulic components within the fire-rated door structure while maintaining the buffer function.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The hinge provides a simple, safe, and durable solution with enhanced aesthetics, stable performance, and long lifetime, enabling concealed installation and convenient positioning with hydraulic buffer and automatic closure.
Implementation Method 1
a hydraulic pressure-resisting mechanism are disposed inside the rotatable device body
Implementation Method 2
An interior of the hydraulic chamber body is provided with an end cover of the chamber body, a sealing sleeve of a piston rod, a piston, and a spring
Data Source
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AI summary
A positionable hidden hydraulic hinge is configured for installation of a door. The positionable hidden hydraulic hinge includes a non-movable device body configured to be connectable with a door frame, a rotatable device body (19) configured to be connectable with a door leaf, and a hinge (4) configured to connect the non-movable device body and the rotatable device body. The positionable hidden hydraulic hinge also includes a linkage assembly (8). An interior of the rotatable device body (19) is provided with a positioning mechanism and a hydraulic pressure-resisting mechanism. The linkage assembly (8) is configured to penetrate throughout the hinge (4) to respectively pivotably connect, at two ends, with the non-movable device body and an internal mechanism of the rotatable device body (19). The disclosed structure is positionable, can automatically close the door, has a hydraulic buffer, and has a hydraulic, internally disposed, hidden hinge, which can improve the overall effect of the door installation. The disclosed structure is simple and safe.